ASoC: dt-bindings: rt5682s: add bindings for rt5682s

Realtek ALC5682I-VS codec is a ALC5682I-VD variant which supports I2C only.

Signed-off-by: Derek Fang <derek.fang@realtek.com>
Link: https://lore.kernel.org/r/20210831130258.19286-2-derek.fang@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/Documentation/devicetree/bindings/sound/realtek,rt5682s.yaml b/Documentation/devicetree/bindings/sound/realtek,rt5682s.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/realtek,rt5682s.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Realtek rt5682s codec devicetree bindings
+
+maintainers:
+  - Derek Fang <derek.fang@realtek.com>
+
+description: |
+  Rt5682s(ALC5682I-VS) is a rt5682i variant which supports I2C only.
+
+properties:
+  compatible:
+    const: realtek,rt5682s
+
+  reg:
+    maxItems: 1
+    description: I2C address of the device.
+
+  interrupts:
+    description: The CODEC's interrupt output.
+
+  realtek,dmic1-data-pin:
+    enum:
+      - 0 # dmic1 data is not used
+      - 1 # using GPIO2 pin as dmic1 data pin
+      - 2 # using GPIO5 pin as dmic1 data pin
+
+  realtek,dmic1-clk-pin:
+    enum:
+      - 0 # dmic1 clk is not used
+      - 1 # using GPIO1 pin as dmic1 clock pin
+      - 2 # using GPIO3 pin as dmic1 clock pin
+
+  realtek,jd-src:
+    enum:
+      - 0 # No JD is used
+      - 1 # using JD1 as JD source
+
+  realtek,ldo1-en-gpios:
+    description: |
+      The GPIO that controls the CODEC's LDO1_EN pin.
+
+  realtek,dmic-clk-rate-hz:
+    description: |
+      Set the clock rate (hz) for the requirement of the particular DMIC.
+
+  realtek,dmic-delay-ms:
+    description: |
+      Set the delay time (ms) for the requirement of the particular DMIC.
+
+  realtek,dmic-clk-driving-high:
+    type: boolean
+    description: |
+      Set the high driving of the DMIC clock out.
+
+  clocks:
+    items:
+      - description: phandle and clock specifier for codec MCLK.
+
+  clock-names:
+    items:
+      const: mclk
+
+  "#clock-cells":
+    const: 1
+
+  clock-output-names:
+    items:
+      - description: Name given for DAI word clock output.
+      - description: Name given for DAI bit clock output.
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+
+example:
+  - |
+    rt5682s {
+        compatible = "realtek,rt5682s";
+        reg = <0x1a>;
+        interrupt-parent = <&gpio>;
+        interrupts = <TEGRA_GPIO(U, 6) IRQ_TYPE_LEVEL_HIGH>;
+        realtek,ldo1-en-gpios =
+            <&gpio TEGRA_GPIO(R, 2) GPIO_ACTIVE_HIGH>;
+        realtek,dmic1-data-pin = <1>;
+        realtek,dmic1-clk-pin = <1>;
+        realtek,jd-src = <1>;
+
+        #clock-cells = <1>;
+        clock-output-names = "rt5682-dai-wclk", "rt5682-dai-bclk";
+
+        clocks = <&osc>;
+        clock-names = "mclk";
+    };